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60-3953-1 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

60-3953-1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DEE CHAMFER, head_height: 1.875 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.278 INCHES NOMINAL IN, thread_length: 1.966 INCHES NOMINAL IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-440-1232, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
60-3953-1
NSN: 5305-01-440-1232
FSC: 5305 — Screws
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
head_styleDEE CHAMFER
head_height1.875 INCHES NOMINAL IN
thread_class2A A
head_diameter0.278 INCHES NOMINAL IN
thread_length1.966 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length1.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE II
end_item_identificationHH60J US COAST GUARD HELICOPTER
nominal_thread_diameter0.067 INCHES IN
thread_quantity_per_inch32
NSN5305-01-440-1232
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 60-3953-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 1.875 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.875 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.113 INCHES NOMINAL IN
•
THREAD LENGTH: 1.966 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.067 INCHES IN
•
HEAD STYLE: DEE CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT1.875 INCHES NOMINAL IN
FASTENER LENGTH1.875 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.113 INCHES NOMINAL IN
THREAD LENGTH1.966 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.067 INCHES IN
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLECROSS RECESS TYPE II
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 60-3953-1?
60-3953-1 is a SCREW,MACHINE.
What is the NSN for 60-3953-1?
60-3953-1 is cataloged in the U.S. Government catalog under NSN 5305-01-440-1232. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.